sql server - Update records from one table to another -


at job have 2 systems handle employee details name, department , associate number. have been asked create stored procedure grab table of users 1 system , update table of users in other system.

from 1 system copying table database database of other system , changing column names match up.

i thought easy these tables not have same columns, 1 has 5 columns , other has 15+. started looking doing foreach loop through 1 of tables , update other examples found used id column enumerate through table neither of these tables have. 1 table has no pk , other has pk of type varchar stores numbers.

i direction on way of task or direction on how can add column copying table other system , auto incrementing give me column work with.


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